[INFO] updating cached repository https://github.com/KillingSpark/sessionman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c2d729ee9522a667eb37d990572d836f38439433 [INFO] checking KillingSpark/sessionman against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKillingSpark%2Fsessionman" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KillingSpark/sessionman on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/KillingSpark/sessionman [INFO] finished tweaking git repo https://github.com/KillingSpark/sessionman [INFO] tweaked toml for git repo https://github.com/KillingSpark/sessionman written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/KillingSpark/sessionman already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 93f020dd61cd5e6a4bf01aa4f8179d62bd8424c827aabb5aaf8a52eb46a3ccfc [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "93f020dd61cd5e6a4bf01aa4f8179d62bd8424c827aabb5aaf8a52eb46a3ccfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "93f020dd61cd5e6a4bf01aa4f8179d62bd8424c827aabb5aaf8a52eb46a3ccfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93f020dd61cd5e6a4bf01aa4f8179d62bd8424c827aabb5aaf8a52eb46a3ccfc", kill_on_drop: false }` [INFO] [stdout] 93f020dd61cd5e6a4bf01aa4f8179d62bd8424c827aabb5aaf8a52eb46a3ccfc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 208f9b63cc2cfb196e0b5aa9cb684b7e7a82edf97833e53b000c7d1a052a5265 [INFO] running `Command { std: "docker" "start" "-a" "208f9b63cc2cfb196e0b5aa9cb684b7e7a82edf97833e53b000c7d1a052a5265", kill_on_drop: false }` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling nix v0.16.1 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Checking acl-sys v1.2.2 [INFO] [stderr] Checking acl-rs v0.1.0 [INFO] [stderr] Checking rustbus v0.3.2 [INFO] [stderr] Checking sessionman v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 13 | return; [INFO] [stdout] | ------ any code following this expression is unreachable [INFO] [stdout] 14 | [INFO] [stdout] 15 | let mut sesman = session::SessionManager::new().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 13 | return; [INFO] [stdout] | ------ any code following this expression is unreachable [INFO] [stdout] 14 | [INFO] [stdout] 15 | let mut sesman = session::SessionManager::new().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `session_id` [INFO] [stdout] --> src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let session_id = sesman [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_session_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `session_id` [INFO] [stdout] --> src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let session_id = sesman [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_session_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `FREEZE_FILE_NAME` [INFO] [stdout] --> src/cgroupv2.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | const FREEZE_FILE_NAME: &'static str = "cgroup.freeze"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `freeze` [INFO] [stdout] --> src/cgroupv2.rs:115:12 [INFO] [stdout] | [INFO] [stdout] 115 | pub fn freeze(&mut self) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `thaw` [INFO] [stdout] --> src/cgroupv2.rs:128:12 [INFO] [stdout] | [INFO] [stdout] 128 | pub fn thaw(&mut self) -> Result<(), Error> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `IoError` [INFO] [stdout] --> src/seat.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | IoError(std::io::Error), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `FREEZE_FILE_NAME` [INFO] [stdout] --> src/cgroupv2.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | const FREEZE_FILE_NAME: &'static str = "cgroup.freeze"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `freeze` [INFO] [stdout] --> src/cgroupv2.rs:115:12 [INFO] [stdout] | [INFO] [stdout] 115 | pub fn freeze(&mut self) -> Result<(), Error> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `thaw` [INFO] [stdout] --> src/cgroupv2.rs:128:12 [INFO] [stdout] | [INFO] [stdout] 128 | pub fn thaw(&mut self) -> Result<(), Error> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `IoError` [INFO] [stdout] --> src/seat.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | IoError(std::io::Error), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/session.rs:89:13 [INFO] [stdout] | [INFO] [stdout] 89 | self.session_aquire_seat(&session_id, &"seat0".into()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/session.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | self.session_leave_seat(session_id, &seat_id); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/session.rs:89:13 [INFO] [stdout] | [INFO] [stdout] 89 | self.session_aquire_seat(&session_id, &"seat0".into()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/session.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | self.session_leave_seat(session_id, &seat_id); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.44s [INFO] running `Command { std: "docker" "inspect" "208f9b63cc2cfb196e0b5aa9cb684b7e7a82edf97833e53b000c7d1a052a5265", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "208f9b63cc2cfb196e0b5aa9cb684b7e7a82edf97833e53b000c7d1a052a5265", kill_on_drop: false }` [INFO] [stdout] 208f9b63cc2cfb196e0b5aa9cb684b7e7a82edf97833e53b000c7d1a052a5265